/*
 * break.c - 使用 break 退出循环
 */
#include <stdio.h>
int main(void)
{
    float length, width;
    printf("Enter the length of teh rectangle:\n");
    while (scanf("%f", &length) == 1) {
        printf("Length = %0.2f:\n", length);
        printf("Enter its width: \n");
        if (scanf("%f", &width) != 1) {
            break;
        }
        printf("Width = %0.2f:\n", width);
        printf("Area = %0.2f \n", length * width);
        printf("Enter the length of the rectangle\n");
    }
    printf("Done\n");
    return 0;
}
